Burner



nulof fue1 ffougff peffphofolly t11efeof. speofoI 8if duct fof the fue1 pipe iS olso pfovfded,

this taking the form of a pipe 36 Which xtends froIn nd is su orted by the burnef Wan lo of o point obove the fue1 pfpe and offanged to conduot thofethrough 8. suppy of undnuted ffesh ofr fof denvery of itS mer end of o point closely odooent the disoh rge end of the fue pfpo. S shown, o ooffffo1 volve 35 floy be ftted to fhe 8ir ipe Whose fnfet end extendS u WTd1y to o pofnt obove the aif poftS 22 ff1 the loWefmost combustfon chEmber. By th1s orfangenlent the iflcofning fueL Whioh ff1ftiolly fn the pffo1ofy stoge of oombustion is bufned mofnly of the dfsohofge end of the fuel pfpe, fs supplied With o feguloble onlount of Suppoftfng oxygen denvefed of the heart of the nonle.

Anothef foro1 of oleons fof 1ooolfzing port of the off supply is shown in g. 2 Whefe1 the dis chofge end 35 of the fuel pfpe l5 tefn1inotes upon the inner face of ol pilot cy1fndef hefe shoWn os fofafninouS coge having pefforoted vo11s 55 snf- Inounted by o fo 55 thfough Whfch afe openings of lofgef Size. This ooge 1f1oy fest upon the pot botton1 2o, felotively oose to fts Wolls m, the fuel'entefing the coge being ffee to escope thoreffon1 to fiow ofound into the onflulof tfou h 2l. The pot vva1ls olosely Suffound the fue1 pipe of the point Whefe it posses thefethfough, fn occofdonce vvith osuo1 practice. vvithin the fue1 pipe is ocoommodoted on oif duct in the fofm of a. pipe 3G Whose delivefy end 3l tero1inates of of just beyond the dischofge end of the fue1 pipe I8. At o point extefiofly of the pof tho aif pfpe efnefgeS lotefally thfough the vo1S of the fuel pipe, and 1ises thefefrom to a, point Whioh fs pfefefobly obove the line of oif pofts 22 fff the lovveffnost fffing choobef of the -bufffef. If1 this oonstfuctfon an undnuted Supply of oif is deHvefed to the point Whefe combuStfon origfnotes, and the fianles, poftfco18rly in the initfall stoge of ffring, Wi11 tend to fo11oW along the Wons of the coge to assofe complete oombustion With fesulfing dean opefotiof1.

A ff1odiffoation in the fofn1 of the flfe pof is i1ustfoted in I ig. 3 Whefein the pot vfons ofe shoWIf as of unifofm diometer froIn top to bottom except of the points Whefe the invvafd ofinfps 23 and 25 ofe pfovided. In ol11 othef fespeotS the bufnef constfuction fflay be the saffle as fhof olfeody desofibed. 'of ceftofn oonditionS of ffse such a, pot hoving oi unifofn1 dionleter ffofff end to end fnoy be pfefeffed, olthough it is looking if1 son1e of the odvontoge ofising ffon1 of enlofgement of the tWo upper con1buSfion chambers, as compofed With the one of the bottofn, oH os n be feSently pointed out.

In connection With the bufnefs hefeinbefore described We n1oy o so use 9. thin vopofizing fing 5 Which lies opposite the oifcuo1fefentfo1 foW of pofts 25 in the orimp 22. This ring wf1ich is of substontiaHy less dion1eter thon fS the onmp haS o felatively gfeatef veftioo1 din1enSion so as to pfeSent its uppef ond 1ovver edges obove and beloW the proximote crimp fooe. To focnftote its suppoft centrany Within the bufnef We pfo vide o lurality of nofched ofn1s 2 extending fodiaHy froIn the ring tovvord the wans of the fi1 e pot and So fonned os to fest upon the ledge 25. The vopofizng fing is ftSe1f pfovided With o oiroufnfefentio1 f()W of spaoed pofts 52 of lofger dion1efer than are the pofts 25 opposfto fhefeto fn the adfocent cfffnp.

vvhen opefoted, fue1 is supplied thfough the suppy pfpe l5, cofobustfon befog inftfoted of the bottom of the Wer ning compBrtment c, cIe to the penpher1 W8"S of the burner. A8 he8t genefofed, aJf fs dfoWn ff thfough the vorfou portS to support conbustion Within the nre pot Inftfany, in fts orst stoge, con1bustlon v11 t,x; of the dlsohofge offffoe of the flle1 pfpe ond then extend oround the onnulof tfough of the bottoffl but Wfth o rise fn fompofotufe voponzonon Wm toko ploce to of1 fncreosing extent, pfoducfng n loter stoges of evef vefticolly ffigher zono of fffst ot the bottom of the nfe pot with the feSu15 thot the visible con1buStion Wfu fise to o pofflf WeH up fo the 1ovvofn1osf oon1poftInent.

Duf1ng the 111ftio1 Stage of con1busffon, oif supporting fhe coTnbustion is de1fvefed subStontfony 1nto the heoft of the flofne Whfch fssues ffonf tho fue1 Supply pipe. Th fe8tufe is of odvontoge beo8uSe the alif iS denvefed undHuted ond dffect ly fo the centro1 point of con1bustion vvitfout befffg dispefsed of diffuSed thfoughout the 1ovvef oombostfon ohombef. The fotio of the odnoxed oif ond fue1 fnoy be contfoned, if desifed, by

- fhe volve IneonS Which is intefposed fn tho off pfpe, of in the fuel pipe, of both. T,he pfovf sion of the off duof Whioh looonzes the deuvery of aif at o point adfooent the boSe of the flfe fnftioly pfoduced in the 1ov fffing Stoge, nokeB fof o cleonef ond hotter flofne. At such o ffffe, the dfoft is least, and the need fof o,f1 El1111folfy oooHzed denvefy of Suppofting air fs gfeofo8t. 1)ufing the Succeeding stages of nfing this oir duot oontinues to supply undnuted oif to o pofft Wen vvithin the bufnef adJocent its base, ond so enfiches the ooo1bustible n1ixtufe With o oon Sequent gain in heat fesulting ffon1 B ffoIne vvhfoh is olean thfoughout.

B the pfovision of the i11vvofdly exfending crInp o oonStfiotion is offorded fo sloW the up Wofd pfogfess of the combostible goseS, the pofts 25 thefein pfoviding (1) fhe doo1inant oxygon supply fof' the bufnef in the lovv con1bnstfon stoge, ond (2) the prifnofy oxygen supply When vopof iZotion is pfoceediog of the fostef fote in the highef oofnbustion stageS. ^s the gESes fflove upWordly into the mfddle fffingohomber WMch nloy be of relativey gfeatef dfonletef they tend to expond lateraHy so thof theif opWofd tfove1 becomes outWafd os Wen. with o middle chom oer of enlofged diometer the effeot is to deloy fhe upWafd n1oveInent of the goSes, thefeby pfo viding gfeoter oppoftunity for oif entefing tho nfe pot thfough the ines of pofts 25, 2 ond 25, to pfoduce o completely oombustible mixture. he oon1Ininglin of the ofr ond vopoffzed fue 1s olso pfomoted (1) by conf1ning the liqufd fuel fo an onnuof area adjocenf the pefiphefo1 Won of the bufnef thefeby oousing the oofnbustfoo, initiony of leost, to feoloin oloSe to suoh vvo11 vvhefe the entefing oif fifst fneets With the flsfffg gases to suppoft fhe combustion of fhot point; and (2) by delivefing fufther quontifies of off to suppoft conbustion of the poinf Whefe trovol of the gases fs sloWed doWn, if o consfffoting cnmp be en1 loyed, and Where 1ateral expanslon of the gases staftS upon entering the middlo nffog chan1bef ond elseWhefe thefeio os the coobusffon thot the moxmum supply of oir 18 odlofttod to u porf con1bustfon. Th m8y be ferofed 8 "loc- 

